package com.bbs.server;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;

import com.alibaba.fastjson.JSON;
import com.bbs.beans.CommitBack;
import com.bbs.beans.Submit;


import manager.PersistentManager;

/**
 * Servlet implementation class GetCommitBack
 */
//@WebServlet("/GetCommitBack")
public class GetCommitBack extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public GetCommitBack() {
        super();
    }

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
//		response.getWriter().append("Served at: ").append(request.getContextPath());
		request.setCharacterEncoding("UTF-8");
		response.setCharacterEncoding("UTF-8");
		
		String data = request.getParameter("data");
		//Upload upload = JSON.parseObject(data,Upload.class);
		Upload upload=new Upload();
		upload.setTieId(Long.parseLong(data));
		
		SessionFactory sf = PersistentManager.sharemanager().getSessionFactory();
		Session session = sf.openSession();

		Download download = new Download();

		Transaction tx = session.beginTransaction();

		try {
			
			Query q = session.createQuery("from CommitBack cb where cb.submit = ? order by cb.time asc");
			Submit submit = new Submit();
			submit.setId(upload.getTieId());
			q.setParameter(0, submit);
		
			download.setCommitbacks(q.list());
			
			tx.commit();
			download.setStatus(DownloadInfo.SUCCESS);
		}catch(Exception e)
		{
			download.setStatus(DownloadInfo.FAILED);
			tx.rollback();
			e.printStackTrace();
		}finally {
			session.close();
		}
		
		System.out.println(JSON.toJSONString(download));
		response.getWriter().append(JSON.toJSONString(download));
		
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		doGet(request, response);
	}

	// 上行數據
	public static class Upload
	{
		Long tieId;

		public Long getTieId() {
			return tieId;
		}

		public void setTieId(Long tieId) {
			this.tieId = tieId;
		}
		
	}
	
	// 下行數據
	public static class Download
	{
		// 状态
		int status;
		
		// 所有的回复
		List<CommitBack> commitbacks = new ArrayList<CommitBack>();

		public int getStatus() {
			return status;
		}

		public void setStatus(int status) {
			this.status = status;
		}

		public List<CommitBack> getCommitbacks() {
			return commitbacks;
		}

		public void setCommitbacks(List<CommitBack> commitbacks) {
			this.commitbacks = commitbacks;
		}
	}
}
